[Lguest] trap 13 problems

[Rusty Russell]

On Mon, 29 Jun 2009 03:36:30 am Brian Jackson wrote:
> Nevermind the above. I figured out I didn't have LGUEST_GUEST turned on
> for some reason. I'm sure I turned it on when I turned on LGUEST, but
> I'm just a meat bag. Might be a nice thing to add to the FAQ...

The problem is that trap 13 tends to be what happens when a guest does 
something bad early on.  We could offer a hint if there was no LHCALL_INIT call 
but it would only be a guess...

> I also tried inside a non-paravirt 32bit kvm instance and got:
>
> lguest: unhandled trap 13 at 0xc100af77 (0xd8)
>
> Anybody got any ideas to test out?

If this is a correctly-configured kernel, please send your .config...

Thanks!
Rusty.